95 lines
2.6 KiB
PHP
95 lines
2.6 KiB
PHP
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<?php
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namespace App\Support\AssetStorage;
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use App\Models\Asset;
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use App\Models\VideoProject;
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use App\Models\WorkflowStep;
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use Illuminate\Support\Facades\Storage;
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/**
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* Stores generated content (scripts, images, video, audio) on disk and
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* records it as an Asset. Versioned per (project, type[, step]) slot —
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* storing again for the same slot doesn't overwrite, it adds the next
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* version, so a rejected/retried step's earlier output stays around.
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*/
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class AssetStorage
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{
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/**
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* @param array<string, mixed> $metadata
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*/
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public function store(
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VideoProject $project,
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string $type,
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string $contents,
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string $extension,
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?WorkflowStep $step = null,
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?string $mimeType = null,
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array $metadata = [],
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): Asset {
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$version = $this->nextVersion($project, $type, $step);
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$path = "video-projects/{$project->id}/{$type}/v{$version}.".ltrim($extension, '.');
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Storage::put($path, $contents);
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return $project->assets()->create([
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'workflow_step_id' => $step?->id,
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'type' => $type,
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'disk_path' => $path,
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'mime_type' => $mimeType,
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'size_bytes' => strlen($contents),
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'version' => $version,
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'metadata' => $metadata,
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]);
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}
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public function nextVersion(VideoProject $project, string $type, ?WorkflowStep $step = null): int
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{
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$query = $project->assets()->where('type', $type);
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if ($step) {
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$query->where('workflow_step_id', $step->id);
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}
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return ((int) $query->max('version')) + 1;
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}
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public function contents(Asset $asset): string
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{
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return Storage::get($asset->disk_path);
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}
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public function url(Asset $asset): ?string
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{
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return Storage::exists($asset->disk_path) ? Storage::url($asset->disk_path) : null;
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}
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public function delete(Asset $asset): void
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{
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Storage::delete($asset->disk_path);
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$asset->delete();
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}
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/**
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* Keep only the newest $keep versions for a (project, type[, step])
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* slot; delete the file + record for the rest. Returns how many were
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* pruned.
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*/
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public function pruneOldVersions(VideoProject $project, string $type, ?WorkflowStep $step = null, int $keep = 3): int
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{
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$query = $project->assets()->where('type', $type);
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if ($step) {
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$query->where('workflow_step_id', $step->id);
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}
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$stale = $query->orderByDesc('version')->get()->slice($keep);
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foreach ($stale as $asset) {
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$this->delete($asset);
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}
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return $stale->count();
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}
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}
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